Frederick Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Flood Warning
Issued: 3:44 AM EST Dec. 16, 2018 – National Weather Service

The Flood Warning continues for
the Monocacy River near Frederick.
* From this morning until Monday afternoon.
* At 2 am Sunday the stage was 12.3 feet.
* Flood stage is 15.0 feet.
* Minor flooding is forecast.
* Forecast... rise above flood stage by this morning and crest near
16.7 feet by early this afternoon. The river will fall below flood
stage by tomorrow morning.
* Impact... at 17.0 feet... significant lowland flooding is occurring
along the river, with backwater flooding also occurring. Numerous
roads are closed. Water is approaching the parking lot at Gambrill
mill on the Monocacy National Battlefield. Backwater flooding from
Carroll creek is likely approaching the underside of the bridge
leading to the Frederick city wastewater treatment plant.
* Flood history... this crest compares to a previous crest of 15.7 feet
on Aug 4 2018.



River flood observed 2pm 8pm 2am 8am crest
location stage stg day time sun sun Mon Mon stg day time

Monocacy River
Frederick 15.0 12.3 sun 2 am 16.7 16.7 15.8 15.0 16.7 sun 1 PM

Lat... Lon 3958 7738 3955 7731 3940 7735 3924 7741
      3922 7745 3926 7748 3951 7742



334 am EST sun Dec 16 2018

... Flood Warning extended until Tuesday evening...
the Flood Warning continues for
the Potomac River at Point of Rocks.
* From early this evening until Tuesday evening.
* At 3 am Sunday the stage was 6.5 feet.
* Flood stage is 16.0 feet.
* Moderate flooding is forecast.
* Forecast... rise above flood stage by early this evening and crest
near 23.9 feet by early tomorrow afternoon. The river will fall
below flood stage by late Tuesday afternoon.
* Impact... at 23.0 feet... floodwaters completely cover the Comfort
station at the Brunswick boat ramp, and reach the Comfort station
at the Point of Rocks boat ramp. The upper parking lot at the Point
of Rocks boat ramp begins to flood.



River flood observed 2pm 8pm 2am 8am crest
location stage stg day time sun sun Mon Mon stg day time

Potomac River
Point of Rock 16.0 6.5 sun 3 am 9.7 15.8 20.7 22.9 23.9 Mon 1 PM

Lat... Lon 3936 7766 3934 7757 3926 7747 3923 7744
      3920 7754 3927 7760 3930 7770




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